Battery Life - Shure PSM 900 User Manual

P9R Bodypack Receiver
Bodypack Receiver
① Power Switch and Volume Control Turns the bodypack on and off and
adjusts earphone volume.
② 3.5 mm Earphone Jack Insert earphones here.
③ Scan Button Press the scan button to find an available frequency.
Press and hold for two seconds to find the group with the most available
channels.
④ IR Window For transmitting settings between bodypack and rack unit.
⑤ Battery Compartment Requires 2 AA batteries. Open by pressing the
latches on both sides and pulling.
⑥ Menu buttons Use in conjunction with the ▼▲ buttons to access the
configuration menus.
⑦ ▼▲ Buttons Use to adjust the audio mix (in MixMode only), or in
conjunction with the menu buttons to change settings.
⑧ LCD Screen Displays current settings and menus.
⑨ Tri-Color Battery LED illuminates green, orange, red, or flashing red, to
indicate battery power. When flashing red, change batteries immediately.
⑩ Blue RF LED Indicates the bodypack is receiving a signal from the
transmitter.
⑪ Detachable Antenna SMA Connector
RF Settings
RADIO
G
Sets the group number
CH
Sets the channel number
888.888MHz
Manual frequency selection
4
Audio Settings
AUDIO
MODE
Selects monitor mode
STEREO
MIXMODE
HIBOOST
High-frequency EQ boost
OFF
4 dB
2 dB
V LIMIT
ON
VALUE
BAL ST / BAL MX
Left and right balance for earphones when in stereo
mode, or mix of left and right channel for MixMode
Utilities and Display Settings
UTILITIES
CUEMODE
Enters CueMode (to exit, press enter and select
EXIT CUEMODE)
DISPLAY
Changes the display format
CONTRAST
Changes the display contrast
LOCK PANEL
Locks all controls except power and volume. To un-
lock, press exit, select OFF, and press enter.

Battery Life*

Battery Tri-Color
Indicator Battery LED
Green
Green
Green
Green
Amber
Red
Total Battery Life
*Test specs using Energizer brand AA Alkaline batteries:
Receiver (RX) Settings:
Headphone Output Volume set to 4
Output driving Shure SE425
earphones
Corresponding SPL @ Ear: ~110.4
dB SPL
Note: SPL at ear will vary with fit
and earphones
HIBOOST - OFF
V. LIMIT - OFF
Note: Using lower-impedance earphones, different battery types and higher
gain settings in the PSM900 system may cause the receiver battery life to be
different than specified.
Stereo
MixMode
flat
+4 dB @ 10 kHz
+2 dB @ 10 kHz
Limits volume level
3–9: analogous to volume
knob position (for example, 5
is equal to the 5th dot on the
volume knob)
Approximate Hours Remaining
Alkaline Alkaline
Volume Volume Level
Level 4 6
5–7 2½–3
3½–4 2½–2
3–3½ 1½–2
2–2½ 1½–1
½–1 1– ¾
<½ <¾
5:55 4:30
Transmitter (TX) Settings:
Audio Input: pink noise* @ +8.7 dBV
Transmitter Input mode: LINE
Transmitter Input level: -9 dB
*Pink Noise is a signal with a fre-
quency spectrum such that the
power spectral density is inversely
proportional to the frequency. In pink
noise, each octave carries an equal
amount of noise power.
Alkaline
Volume
Level 8
1½
1¼
1
¾
½
<⅓
3:15